105224015 has 8 divisors (see below), whose sum is σ = 135981888. Its totient is φ = 77703840.

The previous prime is 105223991. The next prime is 105224017. The reversal of 105224015 is 510422501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105224015 - 2⁸ = 105223759 is a prime.

It is a super-2 number, since 2×105224015² = 22144186665440450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105224017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809351 + ... + 809480.

It is an arithmetic number, because the mean of its divisors is an integer number (16997736).

Almost surely, 2^105224015 is an apocalyptic number.

105224015 is a deficient number, since it is larger than the sum of its proper divisors (30757873).

105224015 is a wasteful number, since it uses less digits than its factorization.

105224015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618849.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 105224015 is about 10257.8757547555. The cubic root of 105224015 is about 472.1046626442.

Adding to 105224015 its reverse (510422501), we get a palindrome (615646516).

The spelling of 105224015 in words is "one hundred five million, two hundred twenty-four thousand, fifteen".